20. -Can you go to the concert with me?

　-I'd love to. _________

　A. But I'm too busy to go. Sorry. 　 　B. I'm afraid not.

　C. Sorry about it. 　　　　　D. You can go alone.

19. -A pair of glasses would be a good present for Dad.

　-_________

　-Then let's go and buy a pair for him.

　A. Me, either. 　　　　B. I like your idea.

　C. Happy birthday, Father. 　D. Your glasses are so modern.

18. -Miss Lin, Tim broke his leg. So he can't come to school today.

　-_________

　A. You are too careless. 　　B. I'm sorry to hear that.

　C. Help yourself to some fish. 　D. You should go to school.

17. -_________

　-Nothing but a little sick.

　-Take care of yourself, dear.

　A. What's that? 　B. What's your name?

C. Is it wrong? 　D. What's the matter?

16. -Do you think he'll come back home this evening?

　-_________

　-Don't you miss him?

　A. Maybe. 　B. So.　 C. Where? 　D. When?

15、Some students do homework three 　　　　　four times a week.

　　　　　 A. and　　　 B. with　　　 C. or　　　　 D. of

C) 情景会话。